/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/Nodes/RigVMVariableNode.h
Returns the default value of the variable as a string.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMVariableNode) [FString](API\Runtime\Core\Containers\FString) GetDefaultValue() const